// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_ACCESSIBILITY_AX_UTIL_AURALINUX_H_
#define UI_ACCESSIBILITY_AX_UTIL_AURALINUX_H_

#include "base/memory/singleton.h"
#include "ui/accessibility/ax_export.h"

namespace base {
class TaskRunner;
}

namespace ui {

// This singleton class initializes ATK (accessibility toolkit) and
// registers an implementation of the AtkUtil class, a global class that
// every accessible application needs to register once.
class AtkUtilAuraLinux {
public:
    // Get the single instance of this class.
    static AtkUtilAuraLinux* GetInstance();

    AtkUtilAuraLinux();
    virtual ~AtkUtilAuraLinux();

    void Initialize(scoped_refptr<base::TaskRunner> init_task_runner);

private:
    friend struct base::DefaultSingletonTraits<AtkUtilAuraLinux>;

    void CheckIfAccessibilityIsEnabledOnFileThread();
    bool CheckPlatformAccessibilitySupportOnFileThread();
    void FinishAccessibilityInitOnUIThread();

#if defined(USE_GCONF)
    bool is_enabled_;
#endif
};

} // namespace ui

#endif // UI_ACCESSIBILITY_AX_UTIL_AURALINUX_H_
